Fangrui Product Details Backwards Compatible With Pcie 2.0 And Pcie 1.0 Supporting Transferrate Of 2.5gb(250mb/s),5gb(500mb/s),and 8gb(1gb/s)per Lane Pci Express Interface: X16 Supports Nvm Express(nvme) Support For 4-port X4 Lane M.2 Key M Nvme Ssd Device Supports M.2 Ssd Modules Sizes:2230,2242,2260,2280 Supports M.2 M Key And B+m Key With Pcie Protocol Automatic Detection Of Lane Configuration On Boot-up Support L1 Substate Deep Power Saving Mode Support Wake Up Function In S3/s4 Support Hot-plug, Surprise Remove Operating Temperature Range:0-85c Support Operating System: Linux Kernel3.17 Or Above,win7,win8,win8.1,win10 32or 64bit No Driver Is Required Because The Driver Is Transparent To The Operating System Colour:as Shown Material:pc+aluminum Alloy The Actual Product May Have Slight Color Difference Or Difference, Which Will Not Affect The Use Package Contents: 1 * Expansion Card Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The It